In the United States, which climate types appear to be most affected by air masses

1 answer:

6 0

In the winter, cold, dry air masses tend to dominate the central and eastern United States as cold winds blow from the northwestern Canadian prairies. In summer, the warm southern winds blow moist, hot air into the eastern and central US, leading to days of high humidity and sultry conditions. In spring and fall, moving low and high pressure areas pull alternating warm and cold air masses across a given area, leading to a lot of variability in day-to-day weather.

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2. How has genetics, combined with<br> paleontology, added to our<br> understanding of evolution?

motikmotik

Answer:

To find the extinct species and their divergence of characters can be studied using molecular genetic techniques.

Explanation:

Paleontology is the study of ancient species and their remaining that were found millions of years ago. These species extinction can be found and manipulated to find out the origin or divergence of species from their origin
The samples of these species may contains their remains that help the biologist to isolate and analyze their protein or DNA. when the DNA is isolated their sequences can be generated using molecular biology techniques.
When the sequences are identified by advanced molecular biology techniques, the existence and similarities of different species due to their convergence or divergence can be identified.
By identifying the convergence or divergence the characteristics, evolutionary change in behavior, variation in appearance can be studied.
By using these techniques, biologist have found that <em>homo sapiens</em> are 99% have their similarities with chimpanzee
Thus, using genetics in paleontology helps us to understand adaptation a species is changing according to the evolutionary changes.

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3 years ago

Determine if the following statement is true or false:

aleksandrvk [35]

This is a true statment.

3 0

3 years ago

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Neurotransmitters can affect postsynaptic cells by I) initiating signal transduction pathways in the cells II) causing molecular

Yakvenalex [24]

Neurotransmitters can affect postsynaptic cells by causing molecular changes in the cells.

The term "chemical messengers of the body" is frequently used to describe neurotransmitters. The nervous system uses these molecules to send information between neurons or from neurons to muscles. A neurotransmitter influences a neuron in one of three ways: excitatory, inhibitory or modulatory.

When a stimulus is potent enough, the chemical messenger neurotransmitter is transferred into the nerve impulse. If it is powerful enough, it will reach the postsynaptic cell and affect the structure of the neuron. And when signal transduction happens, everything mentioned above is completed.

To know more about neurotransmitters visit the link:

brainly.com/question/15257730?referrer=searchResults

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8 0

2 years ago

Would someone like to help me plz

BARSIC [14]

Density - Calculated from measurements of mass and volume
Atom - the basic particle of matter
Motion - calculated from measurements of distance and time
Energy - can change form and move matter

Can't see the last one but you know process of elimination soo

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3 years ago

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In homeostasis, what is it that produces the response that moves the physiological variable back towards the middle of its healt

insens350 [35]

Answer:

effector

Explanation:If the value is not at the set point or is outside the normal range, the control center sends a signal to the effector. The effector is an organ, gland, muscle, or other structure that acts on the signal from the control center to move the variable back toward the set point.

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2 years ago